... ,hard deformation, long-term use.3.Working light ,power indicator clearly.4.Switch three mode: on, off, ... of the first group close power, time set refer to step 1,And so on, set 10 groups on / ... of the screen will display cyclical three modes:”open”,”automatic”,”off”,select mode depend on your needs. ... ,it has no power output when the timer connect with power,then work as the set procedure.Note:in " ...